web前端开发技术第一版答案 |
web前端开发技术 清华 |
新的前端开发技术 |
<!doctype html>
<html>
<head>
<meta charset=”utf-8″>
<title>无标题文档</title>
<style>
.container {
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
background: linear-gradient(#d6f7ff, #8eadff, #d6f7ff);
}
.load {
position: fixed;
width: 270px;
height: 148px;
top: 50%;
left: 50%;
margin-top: -74px;
margin-left: -135px;
}
@keyframes piston {
0%,
100% {
margin-top: 0
}
50% {
margin-top: 50px
}
}
@-webkit-keyframes piston {
0%,
100% {
margin-top: 0
}
50% {
margin-top: 50px
}
}
@-webkit-keyframes arm {
0%,
100%,
50% {
-webkit-transform: rotate(0)
}
25% {
-webkit-transform: rotate(-20deg)
}
75% {
-webkit-transform: rotate(20deg)
}
}
@keyframes arm {
0%,
100%,
50% {
transform: rotate(0)
}
25% {
transform: rotate(-20deg)
}
75% {
transform: rotate(20deg)
}
}
.piston {
float: left;
margin-right: 10px;
width: 60px;
height: 150px;
background: rgba(0, 0, 0, .1);
border-radius: 10px 10px 50px 50px;
box-shadow: 0 -4px 0 rgba(0, 0, 0, .2), 0 4px 0 rgba(255, 255, 255, .2)
}
.piston:last-child {
margin: 0
}
.piston .block {
position: relative;
width: 60px;
height: 36px;
line-height: 36px;
background: #476dd2;
border-radius: 3px;
text-align: center;
color: white;
font-size: 30px;
font-weight: bold;
-webkit-animation: piston 1.2s cubic-bezier(.5, 0, .5, 1) infinite;
animation: piston 1.2s cubic-bezier(.5, 0, .5, 1) infinite;
-webkit-transform: translate3d(0, 0, 0);
-moz-transform: translate3d(0, 0, 0);
-ms-transform: translate3d(0, 0, 0);
-o-transform: translate3d(0, 0, 0);
transform: translate3d(0, 0, 0);
box-shadow: inset 0 -4px 0 rgba(0, 0, 0, .2), inset 0 4px 0 rgba(255, 255, 255, .2)
}
.piston:nth-child(1) .block {
-webkit-animation-delay: 0s;
animation-delay: 0s
}
.piston:nth-child(2) .block {
-webkit-animation-delay: .1s;
animation-delay: .1s
}
.piston:nth-child(3) .block {
-webkit-animation-delay: .2s;
animation-delay: .2s
}
.piston:nth-child(4) .block {
-webkit-animation-delay: .3s;
animation-delay: .3s
}
.piston:nth-child(5) .block {
-webkit-animation-delay: .4s;
animation-delay: .4s
}
.piston .arm {
position: absolute;
top: 50%;
left: 50%;
margin: -5px 0 0 -5px;
width: 10px;
height: 86px;
background: #476dd2;
border-radius: 5px;
box-shadow: inset 0 -11px 0 rgba(0, 0, 0, .2);
z-index: -1;
-webkit-transform-origin: center 10px;
-webkit-animation: arm 1.2s linear infinite;
-webkit-animation-delay: inherit;
transform-origin: center 10px;
animation: arm 1.2s linear infinite;
animation-delay: inherit
}
.piston .arm:after,
.piston .arm:before {
content: ”;
position: absolute;
right: 0;
left: 0;
height: 6px;
background: #eee;
border-radius: 50%;
margin: 2px
}
.piston .arm:before {
top: 0
}
.piston .arm:after {
bottom: 0
}
.piston .rotator {
position: absolute;
bottom: 0;
width: 60px;
height: 60px;
border-radius: 10px;
border-radius: 50%;
border: 10px solid rgba(0, 0, 0, .1);
box-sizing: border-box;
z-index: -1
}
</style>
</head>
<body>
<div class=”container”>
<div class=”load”>
<div class=”piston”>
<div class=”rotator”></div>
<div class=”block”>l
<div class=”arm”></div>
</div>
</div>
<div class=”piston”>
<div class=”rotator”></div>
<div class=”block”>o
<div class=”arm”></div>
</div>
</div>
<div class=”piston”>
<div class=”rotator”></div>
<div class=”block”>a
<div class=”arm”></div>
</div>
</div>
<div class=”piston”>
<div class=”rotator”></div>
<div class=”block”>d
<div class=”arm”></div>
</div>
</div>
</div>
</div>
</body>
</html>
技术部前端开发人员 |
web前端开发技术 储久良 |
web前端开发技术 聂常红 电子书 |
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